From Wikipedia: http://en.wikipedia.org/wiki/Jackson_Davis
Jackson Davis (born March 19, 1979 in Gloversville, New York) is an American actor. He is best known for portraying the character "Jonas" from the lonelygirl15 videos series and its spinoff KateModern, and its sequel series, LG15: The Resistance. He was born in Gloversville, New York but was raised in Lancaster, Pennsylvania where he attended Ephrata High School. He will star in the upcoming 2009 film You, Only Better....
After graduation from high school, Davis worked a series of odd jobs before enlisting in the United States Navy. Davis was unhappy in the Navy, and afterwards he moved to Los Angeles to pursue a career in acting.
Davis was cast on lonelygirl15, his character Jonas was described as the rich alpha-dog contrast to the penniless beta-dog Daniel, played by Yousef Abu-Taleb. In addition to his work on lonelygirl15, Davis has appeared in an episode of CSI:New York, and starred in an independent film called Strange Angel.
Davis also starred in a very popular Bud Light Ad shown across the world